Estimate and Calculate: Multiplication Worksheet
- Pages
- 1
- File type
- Subject
- Math
- Resource types
- Worksheets, Worksheets & Printables
- Ontario expectations
- B2.6
From the author
About this resource
Round the factors to the nearest ten to estimate each of ten products, then calculate the exact answers and compare.
- Ten multiplication equations
- Nearest-ten rounding and estimate space for each equation
- Actual-product space for checking the estimate
Curriculum reference — Ontario: England Year 4 estimation provides a partial skill connection; check factor size before fixing the recommended level. OCR confirms two-digit by two-digit multiplication; Ontario Grade5 algorithms, with rounding as a supporting strategy. Two-digit multipliers and rounding checks fit Year5 rather than Year4. Selected skills only; reference stage is not an overall reading age, complete curriculum coverage, or an automatic recommendation for every learner.
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In the classroom
Teaching tips & learning objectives
Learning objectives
- Round a multiplication factor to the nearest ten
- Estimate ten products using the rounded value
- Calculate each original product and compare it with the estimate
Teaching tips
- Write the rounded factor before multiplying for the estimate.
- Compare the estimate and actual product only after both entries are complete.
Skills covered
- Rounding — learners replace a factor with a nearby multiple of ten
- Product estimation — learners predict multiplication results
- Reasonableness checking — learners compare estimates with exact products
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Ontario curriculum
Ontario curriculum expectations
Ontario expectations
Ontario expectations
- B2.6 — represent and solve problems involving the multiplication of two-digit whole numbers by two-digit whole numbers using the area model and using algorithms , and make connections between the two methods
Core concepts
Core concepts
- Multiplication estimation
- Rounding to the nearest ten
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